Instead of using complicated if #available and @available workarounds on everything, add a single guard #available to the top of your playground. Thanks to Jack Lawrence.
— Jack Lawrence (@_jackhl) June 21, 2015
@ericasadun it's SourceKit Service's pleasure to open for you, and it's satisfaction to crash again with the knowledge of a job well done.”
— Zak Remer (@Kazmasaurus) June 22, 2015